Sound-reproducing machine.



, No. 789,827. PATENTED MAY 16, 1905.

J. WELLNER. 4

SOUND REPRODUGING MACHINE. APPLIOLIION rn n n MAR; 21.1004.

5 sums-sunning I ;lrflisss; I v I IKVEMNTOH v I B-y w M -m PATENTED MAY16, 1905.

J. WELLNER.

SOUND REPRODUGING MACHINE.

APPLIOATION FILED MAR. 2i,1904.

5 SHBETSSHEBT 2.

WITNESSES: 7m 5' J M mm A TTORNE No. 789,827. EPATENTED MAY 16,1905.

' J. WELLNER.

SOUND REPRODUGING MACHINE.

APPLICATION FILED MAR. 21,1904.

5 SHEETS-SHEET 3.

INVENTOR UNITE STATES Patented May 16, 1905.

PATENT OFFICE...

SOUND-REPRODUCING MACHINE.

SPECIFICATION forming part of Letters Patent No. 789,827, dated May 16,1905.

' Ap licati n fil d March 21, 1904. Serial No. 199,092.

To all whom it may concern.-

Be it known that I, JULIUs WELLNER, a citizen of the UnitedStates,residing at Philadelphia, in the county of Philadelphia and Stateof Pennsylvania, have invented certain new and useful Improvements inSound-Reproducing Machines, of which the following is a specification.

This invention relates to that class of sound-reproducing machineswherein a stylus in connection with a diaphragm is adapted to coact witha record-groove for the reproduction of sound.

The object of the invention is to provide a simple and efficientconstruction and organization of mechanism whereby the stylus may beautomatically removed from its support after the reproduction of arecord and a new stylus automatically substituted for the old one.

With this object in view the invention consists in the novelconstruction and combinations of parts which will be hereinafter fullydescribed and claimed.

In the drawings, Figure 1 is a plan view of a sound-reproducing machineembodying my invention. Fig. 2 is an elevation thereof. Fig. 3 is asectional detail of the bar for starting the machine in motion andadjuncts as on the line 3 3 of Fig. 1. Fig. 4 is an elevation of thesound-box and adjuncts. Fig. 5 is a sectional detail thereof as on theline 5 5 of Fig. 4. Fig. 6 is a detail as on the line 6 6 of Fig. 5,showing the stylus clamped. Fig. 7 is a sectional plan as on the line 77 of Fig. 2. Fig. 8 is a detail, in elevation, of one of the levers formoving the sound-box. Figs. 9 and 10 are sectional elevations as on theline 9 10 of Fig. 9, Fig. 9 as seen from'the dottedline and Fig. 10 asseen from the full-line arrow. Fig. 11 is a detail of Fig. 10 as seenfrom the right-hand side of the latter.

1 designates the sound-box, 2 the stylus, 4 the rotatable turn-table,and 8 the record supported thereon and rotatable therewith. The record 8is provided with the usual helical groove 11 or composition to bereproduced, and the sound-box is mounted on a telescopic tube 12, so asto be radially movable to permit the stylus to traverse therecord-groove and partially rotatable to permit the stylus to be movedinto and out of engagement with said groove. The telescopic tube issupported on a post 13, rising from the bedlate 14.

Suitab ly mounted on the sound-box 1 is an arm 15, one end of which isconnected with the diaphragm 16 and the other end of which is enlargedand provided with an opening 17 for the reception of the stylus 2. EX-tending transversely through the enlarged end of the arm and one side ofthe opening 17 is a pin 18, provided with a notch 19, one side of whichis adaptedto engage and retain the stylus within the opening 17 as seenin Fig. 6. The pin 18 extends outwardly beyond the arm 15 and isprovided with an encircling spring 20, which, bearing against the arm 15and a head 21 on the end of the pin 18, tends normally to maintain theside of the notch 19 in engagement with the stylus 2. The pin 18 isprovided with a stop 22, which, taking against the arm 15,1imits themovement of the pin 18 by the spring 20 when there is no stylus withinthe opening 19.

Secured to the sound-box 1 is one end of a spring 23, the other end ofwhich extends to and bears against the inner end of the stylus 2 whenthe stylus is within the opening 17, to the end thatwhen the pin 18 ismoved against the action of the spring 20 to remove its pressure fromthe stylus 2 said stylus will be ejected by the action of the spring 23.

Pivoted to a bracket 24 on the sound-box 1 is a lever 25, having one ofits ends arranged directly above the head 21 on the pin 18. The otherend of the lever is offset, as at 26, and is adapted to be engaged bythe short end 27 of a lever 28, which is pivoted to the sound-box, as at29. Secured to the bracket 24 and the lever 25 are the respective endsof a spring 29, which when the lever 25 is released from engagement withthe arm 27 of the lever 28 is adapted to move the lever 25 intoengagement with the head 21 and depress :the pin 18 against the actionof the spring 20, the force of the spring 29 being sufficient toovercome that of the spring 20. The long end 30 of the lever 28 extendsto a position directly above the record 8 when the stylus 2 is inengagement with the groove 1 1 whereby when the sound-box is turned todisengage the stylus 2 from the roove 11 the long arm of the lever 28 wlengage the record and be rocked to release its short end 27 fromengagement with the lever 25 and permit the spring 29 to move the lever25 to depress the pin 18, thereby freeing the stylus 2 and permittingits ejectment from the opening 17 by the action of the spring 23.

The turn-table is mounted on a shaft 31, which is provided with agear-wheel 32 in mesh with a gear-wheel 33 on the drivingshaft of aspring-motor 34, which tends normally to rotate the turn-table 4 andwhich may be of any approved type. The shaft 31 is provided with apulley 35, which is belted with a pulley 36 on the upper end of avertical shaft 37. This shaft 37 carries a worm 38 in engagement with aworm wheel 39,

, which is mounted to rotate freely upon a horizontal shaft 40. The hubof the wormwheel 39 carries a projection 41, to which is pivoted alatch-lever 42. The inner end of the lever 42 is by the action of asuitable spring 43 held normally against the hub of a cam 44,hereinafter referred to, which is fixed to the shaft 40. The inner endof the lever 42is provided witha notch 45, which is adapted to engage aprojection 46 on the hub of the cam 44, and thereby lock the shaft torotate with the worm-wheel 39. The outer end of the lever 42 is bentlaterally, as shown.

in Fig. 11, and is provided in its edge with a cam-groove 47, whichduring the rotation of the s aft 40 is'adapted to engage the lower endof an arm 48, depending from a horizontal rock-shaft 49 and also toengage the free end of an arm 50, hereinafter referred to, in a mannerto move the notch 'from engagement with the projection 46. The arm 48 isheld normally in position by the tension of a spring 51, engaging thebearing 52 of the shaft 49, and a collar 53, secured to said shaft.Bearing against the cam 44 is a roller 54 on the free end of an arm 55,projecting from a rock-shaft 56. Encircling the shaft 56 is a spring 57,which engages the arm 55 and tends normally to maintain the roller 54 inengagement with the cam 44. Projecting from the shaft 56 is an arm 58,which is connected to a bar 59, adapted to be operated by hand to setthe machine in motion, as will be hereinafter explained.

The shaft 40 is provided with a crank-arm 60, carrying a projecting pin61, which extends through and su portsone end of a bar 62, the other end0' which extends freely through an opening in a lug 63, projecting fromthe frame, to the end that when the shaft 40 is rotated the bar 62 willbe raised and lowered and at the same time longitudinally reciprocated.The bar 62 is arranged to engage the under side of the free end of anarm 64, the other end of which is pivoted to a vertically-arranged shaft65. Extending through the upper portion of the'shaft 65 and slidinglyfitted thereto is a rod 66. The lower end of this rod 66 rests upon thearm 64, and resting upon the top of the rod 66 is a horizontal arm 67,one end of which is pivoted to an extension 68 on the upper end of theshaft 65. Secured to the end of the arm 67 is a downwardly-extendingmember 69, provided with an opening through which freely extends aweighted arm 70, projecting from the sound-box 1.

The lower end of the vertical shaft 65 is provided with a bifurcatedprojecting arm 71, to which is fitted a block 72, pivoted to an arm 73,projecting from a vertical shaft 74, to the end that when the shaft 65is rocked the arm 73 will also be rocked. The arm 73 carries aprojection 75, provided with a curved end, which is arranged to be movedback and forth beneath the arm 50, hereinbefore referred to, when thearm 73 is moved. One end of the arm 50 is horizontally pivoted to ablock 76, which in turn is vertically pivoted to a bracket 77 on themain frame. The arm 50 rests normally upon the curved end of theprojection and its other or free end extends through an opening in aplate 78, projecting from the main frame, the free end of the arm 50being arranged to engage the cam-groove 47 in the lever-arm 41.

Pivoted to the main frame is a lever 79, the upper end of which occupiesa position adj acent to the arm 67 and the lower end of which isarranged adjacent to a cam 80 on the shaft 40, whereby when the shaft 40starts to rotate the cam 80 will engage the lower end of the lever 79and cause its upper end to move the arm 67 and therewith the sound-box 1to bring 'the stylus 2 to a position above the outer portion of therecord 8.

81 designates a magazine adapted to contain a number of stylusesarranged one above the other, as shown in Fig. 4. This magazine issupported by and projects upwardly from a bracket 83, which extendsfixedly from the post '13. The bottom of the magazine 81 opens into aguideway 84, to which is fitted a reciprocative plunger 85. The guideway84 and plunger 85 are arranged in line with the opening 17 when thesound-box is in the normal or inoperative position, whereby when theplunger is projected toward the sound-box it will engage the lowermoststylus in the magazine and project it into the opening 17 against theaction of the spring 23, and when the plunger 85 is retracted theStyluses in the magazine will fall by gravity and the lowermost styluswill pass into the guideway 84 in line with the plunger 85 for asucceeding o eration. The plunger 85 is connected by a ink 86 with onearm of a bell-crank lever 87, which is loosely mounted on a shaft 88,rising from the bedplate, and secured at its respective ends to the'link86 and bracket 83 is a spring 89,

which tends normally to move the plunger 85 toward the sound-box. Theother arm of the bell-crank lever 87 is connected to'one end of a rod90, the other end of which is provided with a pin 9 1, arranged within aslot 92 in the bar 59, to the end that when the bar 59 is movedoutwardly by hand the end of the slot 92 will engage the pin 91 andoperate the bellcrank lever 87 in a manner to retract the plunger 85,and when the bar is moved inwardly by the action of the machine theplunger will be projected toward the sound-box 1 to automatically inserta stylus within the opening 17.

Supported by the bracket 83 is one end of a rod 98, which is arrangedadjacent to the lever 25. The other end of this red 93 is connected by alink 94 to one arm of a bell-crank lever 95, which is loosely mounted onthe shaft 88 and has its other end connected by a rod 96 to the bar 59,whereby when said bar is moved outwardly by hand the rod 93 will engageand move the lever 25 againstthe action of the spring 29 for a purposehereinafter explained.

The cam44 is provided with a deep notch 97 and two other notches 98 and99, and af ter the record upon the turntable has been reproduced themachine is automatically brought to rest by the roller 54 engaging thedeep notch 97 and locking the parts against further movement by themotor 34. When the machine comes to rest, the parts occupy the positionsshown in the drawings, wherein the roller 54 rests in the deep notch 97,the notch 45 of the lever 42 is in engagement with the projection 46,the lower end of the arm 48 is in position to engage the inner end ofthe camgroove 47, and the sound-box occupies aposition above and beyondthe record 8, the weighted arm 70 being raised to bring the opening 17in line with the plunger 85.

The operation of the machine may be briefly described as follows: Whenit is desired to start the machine in motion, the bar 59 is movedoutwardly by hand. The first movement of the bar 59 projects the rod 98to move the lever 25 against the action of the spring 29 and away fromthe head 21 on the pin 18, thereby permitting the spring to move the pin18 to engage and clamp the stylus 2 within the opening 17, and at thesame time moving the offset 26 in the lever into register with the shortarm 27 of the lever 28, which by the weight of its long arm 30 is movedinto engagement with said offset to maintain the lever 25 out ofengagement with the head 21. By this time the end of the slot 92 reachesthe pin 91, which through its connections retracts the plunger 85 tobring its forward end rearwardly beyond the styluses in the magazine 81,whereupon the lowermost stylus drops into the guideway 84 in line withthe plunger 85. During worm-wheel 39. what we term the playingpositionthat is, the record-disk upon the turn-table 4 is the outwardmovement of the bar 59 the shaft 56 is being moved thereby against theaction of the spring 57, and as the bar 59 reaches the limit of itsoutward movement the roller 54 is disengaged from the notch 97 to permitthe motor 34 to start the operation of the machine. Immediatelyfollowing the starting of the machine the outward pull or pressure ofthe bar 59 is removed and the spring 57 moves the roller 54 into engaement with the notch 98. Just as the rol er 54 enters the notch 98 thecam-groove 47 in the lever 42 engages the arm 48, and thereby moves itsnotch 45 from engagement with the projection 46, whereupon the shaft remains idle while the worm-wheel 39 is turned ble to acquire the desiredspeed before engaging the stylus 2 with the groove of the record.

It will be observed that as the end of the arm 48 traverses the groove47 it is cammed out of position to rengage the inner end of the groove47 and that when the lever 42 again meets the arm 48 the side of thelever 42 engages the arm 48 and moves the latter still farther out ofposition. Therefore after the worm-wheel 39 has made a completerevolution the spring 43 causes the lever 42 to ride over and engage itsnotch with the projection 46. This being done, the shaft 40 is turned bythe worm-Wheel 39 about a half-revolution, thereby causing the cam 80 tomove the lever 79 to bring the stylus to a position over the outerportion of the record and causing the crank-arm to lower the bar 62,whereupon the arm 64, the rod 66, and the arm 67 are lowered by gravity,and

,the weighted arm turns the sound-box 1 to engage the stylus 2 with therecord away from the groove thereof. It will be observed that the bar 62is provided with a curved projection 82, whic extends over the arm 64,and that the crank 60 not only lowers, but

also retracts, the bar 62 during the half-turn of the shaft 40. Thisretraction of the bar 62 causes the projection 82 to engage the arm 64by friction, and thereby turn the shaft 65 until the arm 67, carriedthereby, moves the sound-box 1 inwardly to engage the stylus 2 with theouter turn of the groove of the record, whereupon the shaft 65 ceases tobe turned by the projection 82, and the said projection passes idly overthe said arm. After the shaft 40 has been turned a halfrevolution, asabove stated, the roller 54 engages the notch 99 to V revent furtherrota- .tion of the shaft 40, an at the same time the groove 47 of thelever 42 engages the free end lof the arm 50 and rocks said lever todisengage its notch 45 from the projection 46, and thereby disconnectthe shaft 40 from the We have now reached being rotated and the stylus 2is traversing against further movement.

its groove to reproduce the composition in the well-known manner, and atthe same time the stylus is moving toward the center of the record. Asthe stylus 2 moves toward the center of the record the arm 67 is movedtherewith in a manner to slowly turn the shaft and arm 71 to graduallymove the arm 73 and the curved end of its projection in the directionindicated by the arrow in Fig. 7. As the curved end of the projectionmoves in this direction it engages the arm 50 by friction and tends tomaintain the latter in the position shownthat is, against the wall ofthe opening in the plate 78. During. each successive revolution of thewormwheel 39, while the com osition is being reproduced, the free end ofthe arm 50 engages the lever 42 and prevents the notch 45 from engagingthe projection 46, and each time the arm 50 engages the lever 42 it iscammed to one, side by the groove 47 and out of line with the inner endof said groove; but before the lever 42 again meets the arm 50 thelatter is moved by the friction of the curved end of the projection 75to its normal position to engage the inner end of the groove 47. Thusthe arm 50 is rocked back and forth during the playing of the record.After the stylus has reached the inner end of the groove of therecord-disk it ceases to move inwardly, and consequently the projection75 also ceases to move. Therefore when the arm 50 is cammed to one sideby the groove 47 it is not returned to its normal position by the projection 75. Consequently the notch 45 of the lever 42 is ermitted toengage the projection 46 and 100i the shaft 40 to rotate with theworm-wheel 39 until the shaft 40 has been given another half-revolutionand returned to its originalposition, as follows The first movement ofthe shaft 40 causes the crank-arm 60 to raise the bar 62, which raisesthe arm 64, the rod 66, the arm 67, and the weighted arm 70, therebyturning the sound-box 1 to disengage the stylus 2 from the record 8 andat the same time moving the long arm 30 of the lever 28 into engagementwith the record 8, thereby rocking the lever 28 to disengage its shortarm 27 from the lever 25, which being free will be moved by the spring29 to depress the pin 18 and u'nclamp the stylus 2, which will then beejected by the spring 23. This being done, the crank-arm 60 moves thebar 62 longitudinally, thereby causing a shoulder 62 on the bar 62 toengage the arm 64 and turn the shaft 65 in a manner to cause the arm 67,carried by the shaft 65, to move the sound-box 1 outwardly to itsoriginal position, whereupon the roller 54 engages the deep notch 97 ofthe cam 44 and locks the shaft 40, and perforce the entire machine, Thearm 55 is provided with a projection 55, which when the roller 54 entersthe notch 97 is adapted to engage a pin projecting from the shaft 49",

and thereby move the arm 48 to its original position for rengagement bythe lever 42. When the roller 54 enters the notch 97 by the action ofthe spring 57, the shaft 56 is rocked and the arm 58 moves the bar 59inwardly to its original position, thereby permitting the sprin 89 tomove the plunger toward the soun -boX 1, and thus automatically insertthe opposing stylus into the opening 17. Thus it will be seen that theparts come to rest in their original positions for a succeedingoperation by the automatic action of the machine itself.

I 'claim 1. In a sound-reproducing machine, the combination with therotatable record-support, rotating means therefor, the soundboX and thestylus-support, of means for automatically inserting a stylus in thestylussupport.

2. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the soundbox, the stylus andits support, of means for automatically moving the stylus from itssupport and means for automatically inserting a new stylus in thestylus-support.-

3. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the soundbox, the stylus andthe stylus-supp0rt carried by the sound-boX, of means for auto maticallymoving the stylus from said support, and means under the control of themovement of the stylus by the record-groove for automatically stoppingthe machine.

4. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the soundbox the stylus and itssupport, of means for automatically moving the stylus from its support,means for automatically inserting a new stylus in the stylus-support,and means under the control of the movement of the stylus by therecord-groove for automatically stopping the machine. I

5. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the soundboX, the stylus andits support, of means under the control of the movement of the stylus bythe record-groove for automatically moving the stylus from its support.

6. In a sound-reproducing machine, the

combination with the rotatable recordsupport, the sound-box and thestylus-support, of a source of power to operate the machine, meansadapted to be operated to start the machine in motion, means forautomatically inserting a stylus in the stylus-support, and means forautomatically stopping the machine.

7. In a sound-reproducing machine, the combination with the rotatablerecord-support, the sound-box, the stylus and its support, of a sourceof power to operate the machine, means adapted to be operated to startthe machine in motion, means for automatically moving the stylus fromits support, and means for automatically stopping the machine.

8. In a sound-reproducing machine, the combination with the rotatablerecord-support, the sound-box, the stylus and its support, of a sourceof power to operate the machine, means adapted to be operated to startthe machine in motion, means for automatically moving the stylus fromits support, means for automatically inserting a new stylus in thestylus-support and means for automatically stopping the machine.

9. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the sound-box and thestylus-support, of means for automatically inserting a stylus in thestylus-support and means for clamping the inserted stylus.

10. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the soundbox and thestylus-support, of amagazine adapted to contain a plurality of stylusesand means for automatically moving a stylus from the magazine and intothe stylus-support.

11. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the sound-box and thestylus-support, of a magazine adapted to contain a plurality ofstyluses, a reciprocative plunger adapted to engage one of the stylusesin the magazine and move it into the stylus-support and means forautomatically operating the plunger.

12. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the sound-box and thestylussupport movable into and out of operative position, of a fixedmagazine adapted to support a plurality of styluses adjacent to the pathtraversed by the stylussupport and means adapted to be operated to movea stylus from the magazine and into the stylus-support.

13. In a soundreproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the sound-box and thestylus-support movable into and out of operative position, of a fixedmagazine adapted to support a plurality of styluses adjacent to the pathtraversed by the stylussupport, and means for automatically moving astylus from the magazine and into the stylus-support.

14. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the sund-box and thestylus-support movable into and out of operative position, of a fixedmagazine adapted to support a plurality of styluses adjacent to the pathtraversed by the stylussupport, a reciprocative plunger adapted toengage and move a stylus from the magazine and into the stylus-supportand means for automatically operating said plunger.

15. In a sound-reproducing machine, the combination with the rotatablerecord support, rotating means therefor, the partiallyrotatablesound-box the stylus and its support, the sound-box being adapted to bemoved on its axis of rotation to move the stylus into and out ofengagement with the record, of means for automatically moving the stylusfrom its support when the sound box is turned to disengage the stylusfrom the record.

16. In a sound-reproducing machine, the combination with the rotatablerecordsupport, rotating means therefor, the partiallyrotatable sound-boxthe stylus and its support, the sound-box being adapted to be moved onits axis of rotation to move the stylus into and out of engagement withthe record, of a clamping device to secure the stylus to its support andmeans for automatically operating said device to release the stylus whenthe sound-box is turned to disengage the stylus from the record.

17. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the partiallyrotatablesound-box, the stylus and its support, the sound-box being adapted to bemoved on its axis of rotation to move the stylus into and out ofengagement with the record, of a clamping device to secure the stylus toits support, means for automatically operating said device to releasethe stylus when the sound-box is turned to disengage the stylus from therecord and means for ejecting the stylus from its support when releasedby the clutch device.

18. In a sound-reproducing machine, the combination with the rotatablerecord-support, rotating means therefor, the partiallyrotatablesound-box, the stylus and its support, the sound-box being adapted to bemoved on its axis of rotation to move the stylus into and out ofengagement with the record, of a clamping device to secure the stylus toits support, a rocking lever adapted to operate said device to releasethe stylus and means for automatically rocking said lever when thesound-box is turned to disengage the stylus from the record.

In testimony whereof I affix my signature in presence of two witnesses.

, JULIUS WELLNER.

Witnesses:

A. V. GROUPE, RALPH H. GAMBLE.

